diff --git a/conftest.py b/conftest.py
--- a/conftest.py
+++ b/conftest.py
@@ -3,4 +3,8 @@
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-pytest_plugins = ["swh.storage.pytest_plugin", "swh.loader.pytest_plugin"]
+pytest_plugins = [
+    "aiohttp.pytest_plugin",
+    "swh.storage.pytest_plugin",
+    "swh.loader.pytest_plugin",
+]
diff --git a/requirements-test.txt b/requirements-test.txt
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,5 +1,4 @@
 pytest
-pytest-aiohttp
 pytest-postgresql
 dulwich >= 0.18.7
 swh.loader.core